body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}
header {
    background-color: #333;
    color: #fff;
    padding: 10px 0;
    text-align: center;
}
header nav a {
    color: #fff;
    margin: 0 10px;
    text-decoration: none;
}
.container {
    width: 600px;
    margin: 20px auto;
    background-color: #fff;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
textarea {
    width: 100%;
    height: 100px;
    margin-bottom: 10px;
    resize: none;
}
button {
    padding: 10px;
    background-color: #333;
    color: #fff;
    border: none;
    cursor: pointer;
}
button:hover {
    background-color: #555;
}
ul {
    list-style: none;
    padding: 0;
}
ul li {
    margin: 10px 0;
    padding: 10px;
    border: 1px solid #ccc;
    position: relative;
}
ul li button {
    position: absolute;
    right: 10px;
    top: 10px;
}
